Investigate using Java resources for lassoing processors

[ZacSweers]

RAVE currently has to look up validators on the classpath via reflection. We can use DataBinding's approach with GenerationalClassUtil to drop in hints to the consuming jar for RAVE to pull out during processing in the consuming app.

[vinc3m1]

To be clear, this makes RAVE depend on javac and no longer compatible with eclipse.

[ZacSweers]

You could use SPI too